CR2032 battery

US researchers found that the problem of CR2032 battery overheating can be solved by adding an oxide coating on the surface of the CR2032 battery material

For years, researchers have been looking for a solution to thermal runaway (i.e., excessive heat accumulation in the CR2032 battery) in lithium-ion batteries. Now, researchers at the University of Texas at Dallas have found that the problem is not inside the CR2032 battery material, but on the surface of the CR2032 battery material. "It turns out that only the surface of the CR2032 battery cathode material is the problem, and there is no problem inside the CR2032 battery," said Dr. Kyeongjae Cho, professor of materials science and engineering at the Erik Jonsson School of Engineering and Computer Science. "This discovery gives us great hope that we can figure out how to stabilize the CR2032 battery surface and make truly high-capacity batteries a reality." According to Cho, the reason why high-energy-density batteries are expensive is that they are very unstable. "As the CR2032 battery is charged, the CR2032 battery material begins to degrade. The energy released raises the temperature of the CR2032 battery, which can cause the CR2032 battery to catch fire and cause CR2032 battery safety issues. The good news is that it is now found that only the surface of the CR2032 battery material is unsafe and unstable. If this problem can be solved, the CR2032 battery safety problem can be solved." As the CR2032 battery is constantly charged and recharged, oxygen is released from the surface of the CR2032 battery material. During this process, the transportation channel for lithium ions from the inside to the outside may be blocked by the metallic nickel dust produced by the release of oxygen. When the channel is blocked, lithium ions that want to enter and exit the CR2032 battery will not be able to transfer, causing the CR2032 battery capacity to drop rapidly. As the heat increases, the chance of CR2032 battery fire and explosion also increases. The research team believes that this discovery may change the way manufacturers produce batteries. Dr. Cho suggested that a designed oxide coating could be added to the surface of the CR2032 battery. Solving the problem of CR2032 battery overheating can increase the CR2032 battery capacity by 20% to 30%, and the modified CR2032 battery can withstand longer charging time. Based on the above new findings, the research team said that there are already industry insiders interested in working with the Dallas campus to develop the next generation of cathode materials for electric vehicle batteries. In addition, the research team is working with the U.S. Naval Research Laboratory on a follow-up study to improve the capacity and safety of CR2032 battery cathode materials.

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